Finite Group Databasebeta

D6437 #27166125

order12874
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD6437
unambiguous semidirect productC41⋊D157
unambiguous semidirect productC157⋊D41

Splittings

Fitting, socle, derived, HallC41×C157 ⋊ C2
SylowC157 ⋊ D41
SylowC41 ⋊ D157

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC41×C157C2
LCSG ▷ C41×C157
UCSC1

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 198
transitive degreeμt(G) = 6437

A minimal faithful permutation representation — 2 generators on 198 points:

(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41)(42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198);(2,41)(3,40)(4,39)(5,38)(6,37)(7,36)(8,35)(9,34)(10,33)(11,32)(12,31)(13,30)(14,29)(15,28)(16,27)(17,26)(18,25)(19,24)(20,23)(21,22)(43,198)(44,197)(45,196)(46,195)(47,194)(48,193)(49,192)(50,191)(51,190)(52,189)(53,188)(54,187)(55,186)(56,185)(57,184)(58,183)(59,182)(60,181)(61,180)(62,179)(63,178)(64,177)(65,176)(66,175)(67,174)(68,173)(69,172)(70,171)(71,170)(72,169)(73,168)(74,167)(75,166)(76,165)(77,164)(78,163)(79,162)(80,161)(81,160)(82,159)(83,158)(84,157)(85,156)(86,155)(87,154)(88,153)(89,152)(90,151)(91,150)(92,149)(93,148)(94,147)(95,146)(96,145)(97,144)(98,143)(99,142)(100,141)(101,140)(102,139)(103,138)(104,137)(105,136)(106,135)(107,134)(108,133)(109,132)(110,131)(111,130)(112,129)(113,128)(114,127)(115,126)(116,125)(117,124)(118,123)(119,122)(120,121)

Polycyclic presentation:

2,41,157|b^a=b^40,c^a=c^156

Conjugacy classes & character table

3220 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#38788422, #38788423, D41×D157, …
maximal normal subgroup of#38788422, #38788423, D41×D157, …
maximal quotient ofDic6437, C2×D6437, C3×D6437, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(12874, 3);